From: Nicolai Hähnle <nicolai.haeh...@amd.com>
v2: Make the SPIR-V module struct part of a larger gl_shader_spirv_data
struct that will be introduced later, and don't reference it directly
in gl_shader. (Eduardo Lima)
---
src/mesa/main/glspirv.c | 19 +++++++++++++++++++
src/mesa/main/glspirv.h | 16 ++++++++++++++++
2 files changed, 35 insertions(+)
diff --git a/src/mesa/main/glspirv.c b/src/mesa/main/glspirv.c
index 57068023091..eb869356632 100644
--- a/src/mesa/main/glspirv.c
+++ b/src/mesa/main/glspirv.c
@@ -23,6 +23,25 @@
#include "glspirv.h"
+#include "util/u_atomic.h"
+
+void
+_mesa_spirv_module_reference(struct gl_spirv_module **dest,
+ struct gl_spirv_module *src)
+{
+ struct gl_spirv_module *old = *dest;
+
+ if (old) {
+ if (p_atomic_dec_zero(&old->RefCount))
+ free(old);
+ }
+
+ *dest = src;
+
+ if (src)
+ p_atomic_inc(&src->RefCount);
+}
+
void GLAPIENTRY
_mesa_SpecializeShaderARB(GLuint shader,
const GLchar *pEntryPoint,
diff --git a/src/mesa/main/glspirv.h b/src/mesa/main/glspirv.h
index 1de88717faa..4e033735cfe 100644
--- a/src/mesa/main/glspirv.h
+++ b/src/mesa/main/glspirv.h
@@ -31,6 +31,22 @@ extern "C" {
#endif
/**
+ * A SPIR-V module contains the raw SPIR-V binary as set by ShaderBinary.
+ *
+ * It is reference-counted, because the same module can be attached to multiple
+ * shader objects simultaneously.
+ */
+struct gl_spirv_module {
+ unsigned RefCount;
+ GLint Length;
+ char Binary[0];
+};
+
+void
+_mesa_spirv_module_reference(struct gl_spirv_module **dest,
+ struct gl_spirv_module *src);
+
+/**
* \name API functions
*/
/*@{*/
--
2.11.0
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